(19)
(11) EP 4 178 967 A1

(12)

(43) Date of publication:
17.05.2023 Bulletin 2023/20

(21) Application number: 21838229.9

(22) Date of filing: 08.07.2021
(51) International Patent Classification (IPC): 
C07F 11/00(2006.01)
C23C 16/16(2006.01)
(52) Cooperative Patent Classification (CPC):
C07F 11/005; C23C 16/405
(86) International application number:
PCT/US2021/040916
(87) International publication number:
WO 2022/011158 (13.01.2022 Gazette 2022/02)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(30) Priority: 09.07.2020 US 202063049992 P

(71) Applicant: Entegris, Inc.
Billerica, MA 01821 (US)

(72) Inventors:
  • ERMERT, David M.
    Danbury, Connecticut 06811 (US)
  • BAUM, Thomas H.
    Fairfield, Connecticut 06812 (US)

(74) Representative: Greaves Brewster LLP 
Copa House Station Road
Cheddar, Somerset BS27 3AH
Cheddar, Somerset BS27 3AH (GB)

   


(54) GROUP VI PRECURSOR COMPOUNDS